A kind of welding system
Technical field
The utility model relates to welding technology field, particularly a kind of welding system.
Background technology
Along with the extensive use of robot in industry, the large-scale workpiece that robot more and more is used for centering heavy-gauge sheeting composition welds, because the quality of workpiece own is big, manually can't overturn to workpiece, often adopt positioner to cooperate robot to carry out welding job.Concrete, the position of workpiece is fixed and adjusted to the workpiece that will be welded by positioner, makes the welding posture of workpiece meet the welding requirements of robot, afterwards, by robot workpiece welded again.
Welding for large-scale workpiece, the general formal dress of the robot of welding system in line slide rail or upside-down mounting on portal frame, formal dress can only be done rectilinear motion in one direction in the robot of line slide rail, can't move in three directions, for complex part, robot is difficult to that welding gun is stretched into workpiece inside and welds; Upside-down mounting can three directions above workpiece be moved in the robot on the portal frame, but need be at three kinematic axis of robot outer setting, and the kinematic axis of positioner, whole welding system complex structure, cost height are set.
The utility model content
The utility model provides a kind of welding system, to solve welding and complex structure and the high problem of cost that existing welding system is difficult to finish complex part.
The utility model provides a kind of welding system, described system comprises: positioner, robot and rocker structure, described rocker structure comprises rocking arm base and rocker arm shaft, described rocking arm base is fixed on described positioner top, described rocker arm shaft one end is fixed on the described rocking arm base, it is that 360 degree rotations are carried out in the center of circle with described positioner top that the described robot of upside-down mounting below the other end, described rocker arm shaft drive described robot.
In such scheme, described positioner comprises: positioner base, positioner column, rotary shaft, rotating shaft, lifting shaft and anchor clamps, wherein, the bottom of described positioner column is fixed on the described positioner base, and described rocking arm base is fixed on the top of described positioner column; Described anchor clamps are located on the described rotary shaft;
Described lifting shaft is located on the described positioner column, and is vertical with described rocker arm shaft, drives described rotating shaft, anchor clamps and rotary shaft and moves up and down along the axial direction of described positioner column;
Described rotating shaft is fixed on the described lifting shaft, and is vertical with described rocker arm shaft, drives described anchor clamps and rotary shaft and overturns;
One end of described rotary shaft is connected on the described rotating shaft, and parallel with described rocker arm shaft, drives described anchor clamps and do 360 degree rotations in being parallel to the plane of described rocker arm shaft.
In such scheme, described robot comprises robot Connection Block and robot body, and described robot Connection Block is fixed on below the other end of described rocker arm shaft, and described robot body upside-down mounting is on described robot Connection Block.
In such scheme, described lifting shaft comprises motor, reductor and screw mandrel, and wherein, described motor connects the power end of described reductor, and the power transmission shaft of described reductor connects described screw mandrel.
In such scheme, described rocker arm shaft comprises motor, reductor and pivoting support, and wherein, described motor connects the power end of described reductor, and the power transmission shaft of described reductor connects described pivoting support.
In such scheme, described rotary shaft comprises motor, reductor and pivoting support, and wherein, described motor connects the power end of described reductor, and the power transmission shaft of described reductor connects described pivoting support.
In such scheme, described rotating shaft comprises motor, reductor and pivoting support, and wherein, described motor connects the power end of described reductor, and the power transmission shaft of described reductor connects described pivoting support.
In such scheme, described lifting shaft is provided with nut, and described rotating shaft is fixed on the described nut.
In such scheme, described nut is located on the screw mandrel of described lifting shaft.
The beneficial effect of the utility model embodiment is: positioner drives workpiece and can do lifting, overturns, rotatablely move; rocker arm body drives in the parallel plane of robot above workpiece and rotates; need not robot three vertical direction in the space and move; can adjust the welding position requirement that the location of workpiece meets robot; make workpiece be in the ship type position of the most suitable robot welding all the time, is convenient to robot and enters workpiece inside and weld; And robot both can weld the workpiece on the positioner, also can be radius in the length with rocker arm shaft, be that 360 degree in the center of circle weld other workpiece in the rotating ranges with the positioner top, had enlarged the range of movement of robot; Only need four axles can realize the welding position adjustment of workpiece and robot, reduced external shaft quantity, reduced system complexity, simple in structure, reduced cost, easy to operate, saved the working time, improved operating efficiency.
Description of drawings
Fig. 1 is the side view of the welding system of the utility model embodiment;
Fig. 2 is the front view of the welding system of the utility model embodiment;
Fig. 3 is the vertical view of the welding system of the utility model embodiment;
Description of reference numerals: 1, positioner base; 2, positioner column; 3, rocking arm base; 4, rocker arm shaft; 5, robot Connection Block; 6, robot body; 7, rotary shaft; 8, rotating shaft; 9, lifting shaft; 10, anchor clamps; 11, first workpiece; 12, second workpiece; 13, the 3rd workpiece.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
Referring to Fig. 1, Fig. 2, be the welding system that the utility model embodiment provides, described welding system comprises: positioner, rocker arm body, robot three parts.
Wherein, described rocker structure comprises rocking arm base 3 and rocker arm shaft 4, described rocking arm base 3 is bolted to connection on described positioner top, described rocker arm shaft 4 one ends are bolted to connection on described rocking arm base 3, it is that 360 degree rotations are carried out at the rocking arm axial plane in the center of circle with described positioner top that the described robot of other end downside upside-down mounting, described rocker arm shaft 4 can drive described robot.
Described robot comprises robot Connection Block 5 and robot body 6, and described robot Connection Block 5 is below the other end that is bolted to described rocker arm shaft 4, and described robot body 6 passes through the bolt upside-down mounting on described robot Connection Block 5.
Positioner comprises positioner base 1, positioner column 2, rotary shaft 7, rotating shaft 8, lifting shaft 9 and anchor clamps 10, and wherein, positioner column 2 bottoms are connected with described rocking arm base 3 by bolt by being bolted on the described positioner base 1 on the top; Described anchor clamps 10 are located on the described rotary shaft 7; Described rotating shaft 8 is connected a side of described positioner column 2 by bolt, and is vertical with described rocker arm shaft 4, drives described anchor clamps 10 and rotary shaft 7 and overturns; One end of described rotary shaft 7 is connected on the described rotating shaft 8 by bolt, and parallel with described rocker arm shaft 4, and driving described anchor clamps 10 is that 360 degree rotations are done in the center of circle in the plane that is parallel to described rocker arm shaft 4 with the center of described rotary shaft 7; Described lifting shaft 9 is located on the described positioner column 2, and vertical with described rocker arm shaft 4, rotating shaft 8 is fixed on the lifting shaft 9, and lifting shaft 9 drives described rotating shaft 8, anchor clamps 10 and rotary shaft 7 and moves up and down along the axial direction of described positioner column 2.
In the practical application, positioner base 1 is fixed on the ready-made ground by foundation bolt, and by the described foundation bolt of leveling positioner is adjusted to level.Need the workpiece of welding to be installed on the anchor clamps 10, rotating shaft 8 can drive anchor clamps 10 and do 360 degree rotations at the rotation axial plane, realizes the upset of workpiece; Rotary shaft 7 can drive anchor clamps 10 and do 360 degree rotations at the axial plane that circles round, and makes that workpiece can be that the center of circle is carried out 360 degree and rotatablely moved with the rotary shaft center, and it is parallel corresponding with the position between the robot body 6 to adjust workpiece; As shown in Figure 1, lifting shaft 9 can driven rotary axle 8, anchor clamps 10, rotary shaft 7 axially move up and down along positioner column 2, realizes the lifting of workpiece, adjusts the vertical range between workpiece and the robot body 6.
Simultaneously, rocker arm shaft 4 can drive that the top with the positioner column is the center of circle in the parallel plane of robot above workpiece, carries out 360 degree and rotatablely moves.So, as shown in Figure 3, robot both can weld first workpiece 11 on the positioner, also can weld other workpiece in the rocker arm shaft length range (second workpiece 12 as shown in Figure 3 and the 3rd workpiece 13), had enlarged the range of movement of robot.
Wherein, rocker arm shaft 4, rotary shaft 7, rotating shaft 8 comprise motor, reductor and pivoting support respectively.Concrete, described motor connects the power end of described reductor, and the power transmission shaft of described reductor connects described pivoting support.So, the motion of driven by motor reductor, reductor drives pivoting support and is rotated motion.
Wherein, lifting shaft 9 comprises motor, reductor and screw mandrel.Concrete, described motor connects the power end of described reductor, and the power transmission shaft of described reductor connects described screw mandrel.So, the motion of driven by motor reductor, reductor drives screw mandrel and carries out elevating movement.
Concrete, described lifting shaft 9 is provided with nut, is fixed on this nut on the described rotating shaft 8.For example, described nut can be arranged on the screw mandrel of lifting shaft 9.
The welding system that the utility model provides, positioner drives workpiece and can do lifting, overturns, rotatablely move; rocker arm body drives in the parallel plane of robot above workpiece and rotates; need not robot three vertical direction in the space and move; can adjust the welding position requirement that the location of workpiece meets robot; make workpiece be in the ship type position of the most suitable robot welding all the time, is convenient to robot and enters workpiece inside and weld; And robot both can weld the workpiece on the positioner, also can be radius in the length with rocker arm shaft, be that 360 degree in the center of circle weld other workpiece in the rotating ranges with the positioner top, had enlarged the range of movement of robot; Only need four axles can realize the welding position adjustment of workpiece and robot, reduced external shaft quantity, reduced system complexity, simple in structure, reduced cost, easy to operate, saved the working time, improved operating efficiency.
The above is preferred embodiment of the present utility model only, is not for limiting protection domain of the present utility model.All any modifications of within spirit of the present utility model and principle, doing, be equal to replacement, improvement etc., all be included in the protection domain of the present utility model.